Home / 87,431.28-131,278.15-50,033.58

Finding the Fourth Proportional to 87,431.28, 131,278.15 and 50,033.58

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Solution

The fourth proportional to 87,431.28, 131,278.15 and 50,033.58 is: 75,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431.28 : 131,278.15 = 50,033.58 : x
  2. Step 2: Convert to fraction form
    87,431.28/131,278.15 = 50,033.58/x
  3. Step 3: Cross multiply
    87,431.28x = 131,278.15 × 50,033.58
  4. Step 4: Simplify right side
    87,431.28x = 6,568,315,820.28
  5. Step 5: Solve for x
    x = 6,568,315,820.28/87,431.28
  6. Step 6: Final answer
    x = 75,125.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.